Home / 19,723.08-27,207.72-13,349.88

Finding the Fourth Proportional to 19,723.08, 27,207.72 and 13,349.88

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Solution

The fourth proportional to 19,723.08, 27,207.72 and 13,349.88 is: 18,415.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,723.08 : 27,207.72 = 13,349.88 : x
  2. Step 2: Convert to fraction form
    19,723.08/27,207.72 = 13,349.88/x
  3. Step 3: Cross multiply
    19,723.08x = 27,207.72 × 13,349.88
  4. Step 4: Simplify right side
    19,723.08x = 363,219,797.07
  5. Step 5: Solve for x
    x = 363,219,797.07/19,723.08
  6. Step 6: Final answer
    x = 18,415.98

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.